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Diffstat (limited to 'src/cpu/samsung/exynos5250/cpu_info.c')
-rw-r--r--src/cpu/samsung/exynos5250/cpu_info.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/cpu_info.c b/src/cpu/samsung/exynos5250/cpu_info.c
new file mode 100644
index 0000000000..498ed85a13
--- /dev/null
+++ b/src/cpu/samsung/exynos5250/cpu_info.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <console/console.h>
+#include <common.h>
+#include <arch/io.h>
+
+#include <cpu/samsung/exynos5250/clk.h>
+#include <cpu/samsung/exynos5250/clock.h>
+#include <cpu/samsung/exynos5250/cpu.h>
+#include <cpu/samsung/exynos5250/dmc.h>
+
+/* FIXME(dhendrix): consolidate samsung ID code/#defines to a common location */
+#include <cpu/samsung/exynos5250/setup.h> /* cpu_info_init() prototype */
+
+static unsigned int s5p_cpu_id;
+static unsigned int s5p_cpu_rev;
+
+static void s5p_set_cpu_id(void)
+{
+ s5p_cpu_id = readl((void *)EXYNOS_PRO_ID);
+ s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12));
+
+ /*
+ * 0xC200: EXYNOS4210 EVT0
+ * 0xC210: EXYNOS4210 EVT1
+ */
+ if (s5p_cpu_id == 0xC200) {
+ s5p_cpu_id |= 0x10;
+ s5p_cpu_rev = 0;
+ } else if (s5p_cpu_id == 0xC210) {
+ s5p_cpu_rev = 1;
+ }
+}
+
+int arch_cpu_init(void)
+{
+ s5p_set_cpu_id();
+
+ printk(BIOS_INFO, "CPU: S5P%X @ %ldMHz\n",
+ s5p_cpu_id, get_arm_clk() / (1024*1024));
+
+ return 0;
+}